﻿using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity;
using System.Globalization;
using System.Web.Mvc;
using System.Web.Security;

namespace UniversityCourses.Models
{
    public class RegisterExternalLoginModel
    {
        [Required]
        [Display(Name = "Email")]
        [EmailAddress(ErrorMessage = "Please enter your email address in the format someone@example.com.")]
        public string Email { get; set; }
        public string ExternalLoginData { get; set; }
    }

    public class LocalPasswordModel
    {
        [Required]
        [DataType(DataType.Password)]
        [Display(Name = "Current password")]
        public string OldPassword { get; set; }

        [Required]
        [StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
        [DataType(DataType.Password)]
        [Display(Name = "New password")]
        public string NewPassword { get; set; }

        [DataType(DataType.Password)]
        [Display(Name = "Confirm new password")]
        [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
        public string ConfirmPassword { get; set; }
    }

    public class LoginModel
    {
        [Required]
        [Display(Name = "Email")]
        [EmailAddress(ErrorMessage = "Please enter your email address in the format someone@example.com.")]
        public string Email { get; set; }

        [Required]
        [DataType(DataType.Password)]
        [Display(Name = "Password")]
        public string Password { get; set; }
    }

    public class SignInModel
    {
        [Required]
        [Display(Name = "Email")]
        [EmailAddress(ErrorMessage = "Please enter your email address in the format someone@example.com.")]
        public string Email { get; set; }

        [Required]
        [StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
        [DataType(DataType.Password)]
        [Display(Name = "Password")]
        public string Password { get; set; }

        [DataType(DataType.Password)]
        [Display(Name = "Confirm password")]
        [Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
        public string ConfirmPassword { get; set; }
    }

    public class ExternalLogin
    {
        public string Provider { get; set; }
        public string ProviderDisplayName { get; set; }
        public string ProviderUserId { get; set; }
    }

    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]
    public class EmailAddressAttribute : RegularExpressionAttribute
    {
        private const string pattern = @"^\w+([-+.]*[\w-]+)*@(\w+([-.]?\w+)){1,}\.\w{2,4}$";

        static EmailAddressAttribute()
        {
            // necessary to enable client side validation
            DataAnnotationsModelValidatorProvider.RegisterAdapter(typeof(EmailAddressAttribute), typeof(RegularExpressionAttributeAdapter));
        }

        public EmailAddressAttribute()
            : base(pattern)
        {
        }
    }
}
